However, it is not plug-and-play. It requires soldering skill, patience, and an understanding of eMMC protocols like MMC commands, EXT_CSD, and partition management. But for those willing to learn, Ver.2.0.3.0 turns a cheap hardware box into a mobile phone repair clinic.
| Feature | Easy Jtag Plus 2.0.3.0 | Medusa Pro II | Octoplus Box | | :--- | :--- | :--- | :--- | | | 40 MHz (stable) | 48 MHz (unstable) | 32 MHz | | Price | $150 (box only) | $350 | $250 + annual sub | | UFS Support | No | Yes | Partial | | JTAG Debugging | Yes (ARM7/9/11) | No | Yes (limited) | | User Friendliness | Medium | High | Low | Easy Jtag Plus Emmc Tool Ver.2.0.3.0
| Manufacturer | Support Level | Notes | | :--- | :--- | :--- | | (Galaxy S, Note, A series) | Excellent | Full JTAG + eMMC ISP. Dead boot repair for Exynos is flawless. | | Xiaomi (Mi, Redmi, POCO) | Very Good | ISP pinouts known. Requires EDL authorization cable sometimes. | | Huawei (Kirin 7xx, 9xx) | Good | Works pre-HarmonyOS. Post-2021 models may have secure eMMC encryption. | | iPhone | Poor/NOT supported | iPhones use NAND, not eMMC. Do not use for iPhones. | | Motorola/LG | Moderate | Works, but requires specific resistor values on ISP lines. | However, it is not plug-and-play
Ver.2.0.3.0 does not support UFS (Universal Flash Storage) found in flagship phones from 2020 onwards (e.g., Samsung S21, OnePlus 9). For those, you need an Easy Jtag Plus UFS adapter or a dedicated UFS box. 7. Troubleshooting Common Errors in Ver.2.0.3.0 Even with this update, issues arise. Here is how to solve them: | Feature | Easy Jtag Plus 2